Answered: While a person is walking, his arms…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter13: Gravitation

Section: Chapter Questions

Problem 2CQ: In the law of universal gravitation, Newton assumed that the force was proportional to the product...

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Related questions

Question

While a person is walking, his arms swing through approximately a 45 ∘ angle in 0.60 s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0 cm long, measured from the shoulder joint.

part A)

What is the acceleration of a 1.6 g drop of blood in the fingertips at the bottom of the swing?

Express your answer with the appropriate units.

Part B)

Find the force that the blood vessel must exert on the drop of blood in part A.

Express your answer with the appropriate units.

part C)

What force would the blood vessel exert if the arm were not swinging?

Express your answer with the appropriate units.

Expert Solution